M MARVIN H New member Sep 17, 2009 #1 My mechanic says I need it because my engine has a lot of compression and the piston touches the regular spak plug a little.This causes my bike to backfire as a result of running on one cylinder.
My mechanic says I need it because my engine has a lot of compression and the piston touches the regular spak plug a little.This causes my bike to backfire as a result of running on one cylinder.
J Jancie New member Sep 17, 2009 #2 If all else fails, I would try the Ducati shop. But I personally have never heard of this spark plug
